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ALLU DH 3-12 – specifications

Series: D-Series

Build year not documented · Data origin: Manufacturer information · sources

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The ALLU DH 3-12 is an attachment in the Screening & crusher buckets category. It is a screening or crusher bucket used to screen, separate and crush bulk material. It belongs to the D-Series. The equipment type is Screening bucket. It is suitable for mounting on: excavator / wheel loader / tractor / backhoe loader. It fits carrier machines from 18 to 45 tonnes operating weight. The unladen weight is 1,950 kg. The capacity is 0.85 m³. The figures come from the manufacturer's data sheet and describe the base configuration; other equipment variants are possible. The D-Series covers 18 models. Unladen weight within it ranges from 1,130 to 4,080 kg; the DH 3-12 sits in the lower part of that range with 1,950 kg. Its immediate neighbours are the DS 4-12 below it with 1,930 kg and the DS 3-17 above it with 2,000 kg. 27 ALLU models across 3 series are on record.

ALLU D-series screening buckets – DN, DS and DH for excavators and loaders from 6 to 45 t: the type logic of carrier class, number of screening shafts and blade type, 1,130 to 4,080 kg

ALLU of Orimattila in Finland invented the screening bucket: an excavator bucket whose floor consists of rotating shafts with screening blades, so the material is screened, crushed and mixed as it is discharged – excavated soil becomes topsoil in one pass, compost is turned, rubble is separated from fines, without setting up a stationary screening plant. The D series is ALLU's standard programme, and its type designation is a formula: the second letter names the carrier class – DN for small excavators and compact loaders, DS for the mid-range, DH for heavy excavators and wheel loaders – the first number the count of screening shafts (2, 3 or 4), the second the blade type, which sets the fragment size: 09 for fine material, 12, 17, 23 and 27 for increasingly coarse screening. A DH 4-23 is therefore a heavy bucket with four shafts and a coarse screen.

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The register lists 18 versions with service weights from 1,130 kg (DN 2-12) to 4,080 kg (DH 4-27) – the bucket's weight determines which carrier can run it, because it comes off the machine's payload.

Screening buckets pay off where material is processed on site instead of hauled away: landscaping, landfill, soil remediation, pipe-trench backfill and composting plants are the fields; ALLU also offers shafts with crushing hammers and mixing tools.

On used buckets, wear of the blades and shaft bearings, the condition of hydraulic motor and hoses, cracks in the bucket body and the fit of the quick coupler to the intended carrier are what count.

Sources: SpecCodex register, model data: ALLU D-Serie, ALLU Finland (manufacturer)

Technical data

Dimensions and weights

Unladen weight	1,950 kgcorrect

Working data

Volume	0.85 m³correct

Other data

Carrier machine	Bagger / Radlader / Traktor / Baggerladercorrect
Carrier max.	45 tcorrect
Carrier min.	18 tcorrect

Frequently asked questions

How much does the ALLU DH 3-12 weigh?

The unladen weight is 1,950 kg.

What to check before buying

Check the hour meter against the service records — a replaced instrument is the most common gap.
Compare the data plate and chassis number with the papers.
Check the weights in the papers against the figures here — attachments change them.
Ask about parts availability for this build year — the running costs hang on it.

A general list for this type of machine — no substitute for an inspection or an appraiser.

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This page carries 6 individual figures for this model. They come from 2 recorded sources; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.‌‍‍‍‍‍‍‌‌⁠‍‍‌‍

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